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Rancilio Rocky

Electric grinder Range 0–55
Grind range
0–915 µm
Per click
≈16.64 µm
Adjustment
55 clicks
Brew methods
9

At its coarsest it reaches about 915 µm, so French Press and Cold Brew sit partly beyond its range.

Rancilio official site ↗

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Rancilio Rocky
grind size chart
Clicks from zero
0 10 20 30 40 50 55
0 200 400 600 800 1000 1200 1400µm
Extra fine Fine Medium-fine Medium Medium-coarse Coarse Extra coarse

Settings by brew method

Brew method Grind descriptor Grind size Clicks
Turkish Extra fine 70–150 µm 0-1
Espresso Fine 200–300 µm 0-11
Moka Pot Fine-medium 300–400 µm 10-27
AeroPress Medium-fine 400–700 µm 8-45
Pour Over (V60) Medium-fine 450–650 µm 13-30
Siphon Medium 500–700 µm 11-36
Drip / Batch Medium 600–800 µm 7-42
French Press Coarse 900–1200 µm 30-55
Cold Brew Extra coarse 1000–1400 µm 37-55

About the Rancilio Rocky

The Rancilio Rocky is an electric grinder with stepped adjustment. At its coarsest it reaches about 915 µm, so French Press and Cold Brew sit partly beyond its range. Each click moves the grind by roughly 16.64 µm.

Rancilio Rocky — frequently asked questions

Is the Rancilio Rocky a manual or electric grinder?

The Rancilio Rocky is an electric grinder.

What grind setting should I use for Espresso on the Rancilio Rocky?

For espresso on the Rancilio Rocky, start around 0-11 clicks — roughly 200–300 µm — then adjust to taste.

How much does each click change the grind on the Rancilio Rocky?

Each click on the Rancilio Rocky changes the grind by about 16.64 microns, so you can dial in small steps.

What grind sizes can the Rancilio Rocky produce?

The Rancilio Rocky grinds from about 0 to 915 µm, covering 9 of the brew methods we chart.

Can I copy grind settings from another grinder to the Rancilio Rocky?

Not directly — every grinder's scale is arbitrary, so a number that works on one model won't match the Rancilio Rocky. Match the micron range instead, using the chart above.